This new teaching approach is specially ______ to develop children’s problem-solving skills.
Every minute counts before the College Entrance Examination. So we must the limited time.
For miles around me there was nothing but a desert, without a single plant or tree.
When he came back, he found his bagover the seat.
This is not an economical way to get more water;, it is very expensive.
talking with him, you’ll find him an easy-going man.